configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999 Free Software Foundation, Inc.
   7 dnl
   8 dnl  This file is part of GNU Emacs.
   9 dnl
  10 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  11 dnl  it under the terms of the GNU General Public License as published by
  12 dnl  the Free Software Foundation; either version 2, or (at your option)
  13 dnl  any later version.
  14 dnl
  15 dnl  GNU Emacs is distributed in the hope that it will be useful,
  16 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 dnl  GNU General Public License for more details.
  19 dnl
  20 dnl  You should have received a copy of the GNU General Public License
  21 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  22 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 dnl  Boston, MA 02111-1307, USA.
  24
  25 AC_PREREQ(2.8)dnl
  26 AC_INIT(src/lisp.h)
  27 AC_CONFIG_HEADER(src/config.h:src/config.in)
  28
  29 lispdir='${datadir}/emacs/${version}/lisp'
  30 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  31 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  32 lisppath='${locallisppath}:${lispdir}'
  33 etcdir='${datadir}/emacs/${version}/etc'
  34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  35 docdir='${datadir}/emacs/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  39 AC_ARG_WITH(pop,
  40 [  --without-pop           don't support POP mail retrieval with movemail],
  41 [if test "$withval" = yes; then
  42    AC_DEFINE(MAIL_USE_POP)
  43 else :
  44 fi],
  45 AC_DEFINE(MAIL_USE_POP))
  46 AC_ARG_WITH(hesiod,
  47 [  --with-hesiod           support Hesiod to get the POP server host],
  48 [AC_DEFINE(HESIOD)])
  49 dnl This should be the last --with option, because --with-x is
  50 dnl added later on when we find the path of X, and it's best to
  51 dnl keep them together visually.
  52 AC_ARG_WITH(x-toolkit,
  53 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  54 [         case "${withval}" in
  55             y | ye | yes )      val=athena ;;
  56             n | no )            val=no  ;;
  57             l | lu | luc | luci | lucid )       val=lucid ;;
  58             a | at | ath | athe | athen | athena )      val=athena ;;
  59             m | mo | mot | moti | motif )       val=motif ;;
  60 dnl These don't currently work.
  61 dnl         o | op | ope | open | open- | open-l | open-lo \
  62 dnl             | open-loo | open-look )        val=open-look ;;
  63             * )
  64 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  65 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  66 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  67 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  68 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  69             ;;
  70           esac
  71           with_x_toolkit=$val
  72 ])
  73 AC_ARG_WITH(xpm,
  74 [  --with-xpm              use -lXpm for displaying XPM images])
  75 AC_ARG_WITH(jpeg,
  76 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  77 AC_ARG_WITH(tiff,
  78 [  --with-tiff             use -ltiff for displaying TIFF images])
  79 AC_ARG_WITH(gif,
  80 [  --with-gif              use -lungif for displaying GIF images])
  81 AC_ARG_WITH(png,
  82 [  --with-png              use -lpng for displaying PNG images])
  83 AC_ARG_WITH(toolkit-scroll-bars,
  84 [  --without-toolkit-scroll-bars  don't use Motif or Xaw3d scroll bars])
  85
  86 #### Make srcdir absolute, if it isn't already.  It's important to
  87 #### avoid running the path through pwd unnecessary, since pwd can
  88 #### give you automounter prefixes, which can go away.  We do all this
  89 #### so Emacs can find its files when run uninstalled.
  90 case "${srcdir}" in
  91   /* ) ;;
  92   . )
  93     ## We may be able to use the $PWD environment variable to make this
  94     ## absolute.  But sometimes PWD is inaccurate.
  95     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  96     unset CDPATH
  97     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  98     then
  99       srcdir="$PWD"
 100     else
 101       srcdir="`(cd ${srcdir}; pwd)`"
 102     fi
 103   ;;
 104   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 105 esac
 106
 107 #### Check if the source directory already has a configured system in it.
 108 if test `pwd` != `(cd ${srcdir} && pwd)` \
 109    && test -f "${srcdir}/src/config.h" ; then
 110   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 111    as a build directory right now; it has been configured in its own
 112    right.  To configure in another directory as well, you MUST
 113    use GNU make.  If you do not have GNU make, then you must
 114    now do \`make distclean' in ${srcdir},
 115    and then run $0 again.])
 116
 117 changequote(, )dnl
 118   extrasub='/^VPATH[     ]*=/c\
 119 changequote([, ])dnl
 120 vpath %.c $(srcdir)\
 121 vpath %.h $(srcdir)\
 122 vpath %.y $(srcdir)\
 123 vpath %.l $(srcdir)\
 124 vpath %.s $(srcdir)\
 125 vpath %.in $(srcdir)\
 126 vpath %.texi $(srcdir)'
 127 fi
 128
 129 #### Given the configuration name, set machfile and opsysfile to the
 130 #### names of the m/*.h and s/*.h files we should use.
 131
 132 ### Canonicalize the configuration name.
 133
 134 AC_CANONICAL_HOST
 135 canonical=$host
 136 configuration=$host_alias
 137
 138 changequote(, )dnl
 139
 140 ### If you add support for a new configuration, add code to this
 141 ### switch statement to recognize your configuration name and select
 142 ### the appropriate operating system and machine description files.
 143
 144 ### You would hope that you could choose an m/*.h file pretty much
 145 ### based on the machine portion of the configuration name, and an s-
 146 ### file based on the operating system portion.  However, it turns out
 147 ### that each m/*.h file is pretty manufacturer-specific - for
 148 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 149 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 150 ### machines.  So we basically have to have a special case for each
 151 ### configuration name.
 152 ###
 153 ### As far as handling version numbers on operating systems is
 154 ### concerned, make sure things will fail in a fixable way.  If
 155 ### /etc/MACHINES doesn't say anything about version numbers, be
 156 ### prepared to handle anything reasonably.  If version numbers
 157 ### matter, be sure /etc/MACHINES says something about it.
 158 ###
 159 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 160 ### "System V Release 4"; he writes, "The old convention encouraged
 161 ### confusion between `system' and `release' levels'."
 162
 163 machine='' opsys='' unported=no
 164 case "${canonical}" in
 165
 166   ## NetBSD ports
 167   *-*-netbsd* )
 168     opsys=netbsd
 169     case "${canonical}" in
 170       alpha*-*-netbsd*) machine=alpha ;;
 171       i[3456]86-*-netbsd*) machine=intel386 ;;
 172       m68k-*-netbsd*)
 173                         # This is somewhat bogus.
 174                         machine=hp9000s300 ;;
 175       powerpc-apple-netbsd*) machine=macppc ;;
 176       mips-*-netbsd*)   machine=pmax ;;
 177       ns32k-*-netbsd*)  machine=ns32000 ;;
 178       sparc-*-netbsd*)  machine=sparc ;;
 179       vax-*-netbsd*)    machine=vax ;;
 180     esac
 181   ;;
 182
 183   ## OpenBSD ports
 184   *-*-openbsd* )
 185     opsys=openbsd
 186     case "${canonical}" in
 187       alpha*-*-openbsd*)        machine=alpha ;;
 188       i386-*-openbsd*)  machine=intel386 ;;
 189       m68k-*-openbsd*)  machine=hp9000s300 ;;
 190       mipsel-*-openbsd*) machine=pmax ;;
 191       ns32k-*-openbsd*) machine=ns32000 ;;
 192       sparc-*-openbsd*) machine=sparc ;;
 193       vax-*-openbsd*)   machine=vax ;;
 194     esac
 195   ;;
 196
 197   ## Acorn RISCiX:
 198   arm-acorn-riscix1.1* )
 199     machine=acorn opsys=riscix1-1
 200   ;;
 201   arm-acorn-riscix1.2* | arm-acorn-riscix )
 202     ## This name is riscix12 instead of riscix1.2
 203     ## to avoid a file name conflict on MSDOS.
 204     machine=acorn opsys=riscix12
 205   ;;
 206
 207   ## BSDI ports
 208   *-*-bsdi* )
 209     opsys=bsdi
 210     case "${canonical}" in
 211       i[345]86-*-bsdi*) machine=intel386 ;;
 212       sparc-*-bsdi*)  machine=sparc ;;
 213       powerpc-*-bsdi*)  machine=powerpc ;;
 214     esac
 215     case "${canonical}" in
 216       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 217       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 218       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 219       *-*-bsdi3* )              opsys=bsdos3 ;;
 220       *-*-bsdi4* )              opsys=bsdos4 ;;
 221     esac
 222   ;;
 223
 224   ## Alliant machines
 225   ## Strictly speaking, we need the version of the alliant operating
 226   ## system to choose the right machine file, but currently the
 227   ## configuration name doesn't tell us enough to choose the right
 228   ## one; we need to give alliants their own operating system name to
 229   ## do this right.  When someone cares, they can help us.
 230   fx80-alliant-* )
 231     machine=alliant4 opsys=bsd4-2
 232   ;;
 233   i860-alliant-* )
 234     machine=alliant-2800 opsys=bsd4-3
 235   ;;
 236
 237   ## Alpha (DEC) machines.
 238   alpha*-dec-osf* )
 239     machine=alpha opsys=osf1
 240     # This is needed to find X11R6.1 libraries for certain tests.
 241     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 242     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 243   ;;
 244
 245   alpha*-*-linux-gnu* )
 246     machine=alpha opsys=gnu-linux
 247   ;;
 248
 249   ## Altos 3068
 250   m68*-altos-sysv* )
 251     machine=altos opsys=usg5-2
 252   ;;
 253
 254   ## Amdahl UTS
 255   580-amdahl-sysv* )
 256     machine=amdahl opsys=usg5-2-2
 257   ;;
 258
 259   ## Apollo, Domain/OS
 260   m68*-apollo-* )
 261     machine=apollo opsys=bsd4-3
 262   ;;
 263
 264   ## AT&T 3b2, 3b5, 3b15, 3b20
 265   we32k-att-sysv* )
 266     machine=att3b opsys=usg5-2-2
 267   ;;
 268
 269   ## AT&T 3b1 - The Mighty Unix PC!
 270   m68*-att-sysv* )
 271     machine=7300 opsys=usg5-2-2
 272   ;;
 273
 274   ## Bull dpx20
 275   rs6000-bull-bosx* )
 276     machine=ibmrs6000 opsys=aix3-2
 277   ;;
 278
 279   ## Bull dpx2
 280   m68*-bull-sysv3* )
 281     machine=dpx2 opsys=usg5-3
 282   ;;
 283
 284   ## Bull sps7
 285   m68*-bull-sysv2* )
 286     machine=sps7 opsys=usg5-2
 287   ;;
 288
 289   ## CCI 5/32, 6/32 -- see "Tahoe".
 290
 291   ## Celerity
 292   ## I don't know what configuration name to use for this; config.sub
 293   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 294   ## in touch with us!
 295   celerity-celerity-bsd* )
 296     machine=celerity opsys=bsd4-2
 297   ;;
 298
 299   ## Clipper
 300   ## What operating systems does this chip run that Emacs has been
 301   ## tested on?
 302   clipper-* )
 303     machine=clipper
 304     ## We'll use the catch-all code at the bottom to guess the
 305     ## operating system.
 306   ;;
 307
 308   ## Convex
 309   *-convex-bsd* | *-convex-convexos* )
 310     machine=convex opsys=bsd4-3
 311     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 312     NON_GNU_CPP="cc -E -P"
 313   ;;
 314
 315   ## Cubix QBx/386
 316   i[3456]86-cubix-sysv* )
 317     machine=intel386 opsys=usg5-3
 318   ;;
 319
 320   ## Cydra 5
 321   cydra*-cydrome-sysv* )
 322     machine=cydra5 opsys=usg5-3
 323   ;;
 324
 325   ## Data General AViiON Machines
 326   ## DG changed naming conventions with the release of 5.4.4.10, they
 327   ## dropped the initial 5.4 but left the intervening R.  Because of the
 328   ## R this shouldn't conflict with older versions of the OS (which I
 329   ## think were named like dgux4.*). In addition, DG new AViiONs series
 330   ## uses either Motorola M88k or Intel Pentium CPUs.
 331   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 332     machine=aviion opsys=dgux4
 333   ;;
 334   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 335     ## This name is dgux5-4-3 instead of dgux5-4r3
 336     ## to avoid a file name conflict on MSDOS.
 337     machine=aviion opsys=dgux5-4-3
 338   ;;
 339   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 340     machine=aviion opsys=dgux5-4r2
 341   ;;
 342   m88k-dg-dgux* )
 343     machine=aviion opsys=dgux
 344   ;;
 345
 346   ## Data General AViiON Intel (x86) Machines
 347   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 348   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 349   i[345]86-dg-dguxR4* )
 350     machine=aviion-intel opsys=dgux4
 351   ;;
 352
 353   ## DECstations
 354   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 355     machine=pmax opsys=bsd4-2
 356   ;;
 357   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 358     machine=pmax opsys=bsd4-3
 359   ;;
 360   mips-dec-ultrix* )
 361     machine=pmax opsys=ultrix4-3
 362   ;;
 363   mips-dec-osf* )
 364     machine=pmax opsys=osf1
 365   ;;
 366   mips-dec-mach_bsd4.3* )
 367     machine=pmax opsys=mach-bsd4-3
 368   ;;
 369
 370   ## Motorola Delta machines
 371   m68k-motorola-sysv* | m68000-motorola-sysv* )
 372     machine=delta opsys=usg5-3
 373     if test -z "`type gnucc | grep 'not found'`"
 374     then
 375       if test -s /etc/167config
 376       then CC="gnucc -m68040"
 377       else CC="gnucc -m68881"
 378       fi
 379     else
 380       if test -z "`type gcc | grep 'not found'`"
 381       then CC=gcc
 382       else CC=cc
 383       fi
 384     fi
 385   ;;
 386   m88k-motorola-sysv4* )
 387     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 388     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 389     # I hope there are not other 4.0 versions for this machine
 390     # which really need usg5-4 instead.
 391     machine=delta88k opsys=usg5-4-2
 392   ;;
 393   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 394     machine=delta88k opsys=usg5-3
 395   ;;
 396
 397   ## Dual machines
 398   m68*-dual-sysv* )
 399     machine=dual opsys=usg5-2
 400   ;;
 401   m68*-dual-uniplus* )
 402     machine=dual opsys=unipl5-2
 403   ;;
 404
 405   ## Elxsi 6400
 406   elxsi-elxsi-sysv* )
 407     machine=elxsi opsys=usg5-2
 408   ;;
 409
 410   ## Encore machines
 411   ns16k-encore-bsd* )
 412     machine=ns16000 opsys=umax
 413   ;;
 414
 415   ## The GEC 93 - apparently, this port isn't really finished yet.
 416
 417   ## Gould Power Node and NP1
 418   pn-gould-bsd4.2* )
 419     machine=gould opsys=bsd4-2
 420   ;;
 421   pn-gould-bsd4.3* )
 422     machine=gould opsys=bsd4-3
 423   ;;
 424   np1-gould-bsd* )
 425     machine=gould-np1 opsys=bsd4-3
 426   ;;
 427
 428   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 429   ## as far as Emacs is concerned).
 430   m88k-harris-cxux* )
 431     # Build needs to be different on 7.0 and later releases
 432     case "`uname -r`" in
 433        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 434        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 435     esac
 436     NON_GNU_CPP="/lib/cpp"
 437   ;;
 438   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 439   m68k-harris-cxux* )
 440     machine=nh3000 opsys=cxux
 441   ;;
 442   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 443   powerpc-harris-powerunix )
 444     machine=nh6000 opsys=powerunix
 445     NON_GNU_CPP="cc -Xo -E -P"
 446   ;;
 447   ## SR2001/SR2201 running HI-UX/MPP
 448   hppa1.1-hitachi-hiuxmpp* )
 449     machine=sr2k opsys=hiuxmpp
 450   ;;
 451   ## Honeywell XPS100
 452   xps*-honeywell-sysv* )
 453     machine=xps100 opsys=usg5-2
 454   ;;
 455
 456   ## HP 9000 series 200 or 300
 457   m68*-hp-bsd* )
 458     machine=hp9000s300 opsys=bsd4-3
 459   ;;
 460   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 461   m68*-hp-hpux* )
 462     case "`uname -r`" in
 463       ## Someone's system reports A.B8.05 for this.
 464       ## I wonder what other possibilities there are.
 465       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 466       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 467       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 468       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 469       *) machine=hp9000s300 opsys=hpux ;;
 470     esac
 471   ;;
 472
 473   ## HP 9000 series 700 and 800, running HP/UX
 474   hppa*-hp-hpux7* )
 475     machine=hp800 opsys=hpux
 476   ;;
 477   hppa*-hp-hpux8* )
 478     machine=hp800 opsys=hpux8
 479   ;;
 480   hppa*-hp-hpux9shr* )
 481     machine=hp800 opsys=hpux9shr
 482   ;;
 483   hppa*-hp-hpux9* )
 484     machine=hp800 opsys=hpux9
 485   ;;
 486   hppa*-hp-hpux1[0-9]* )
 487     machine=hp800 opsys=hpux10
 488   ;;
 489
 490   ## HP 9000 series 700 and 800, running HP/UX
 491   hppa*-hp-hpux* )
 492     ## Cross-compilation?  Nah!
 493     case "`uname -r`" in
 494       ## Someone's system reports A.B8.05 for this.
 495       ## I wonder what other possibilities there are.
 496       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 497       *.08.* ) machine=hp800 opsys=hpux8 ;;
 498       *.09.* ) machine=hp800 opsys=hpux9 ;;
 499       *) machine=hp800 opsys=hpux10 ;;
 500     esac
 501   ;;
 502   hppa*-*-nextstep* )
 503     machine=hp800 opsys=nextstep
 504   ;;
 505
 506   ## Orion machines
 507   orion-orion-bsd* )
 508     machine=orion opsys=bsd4-2
 509   ;;
 510   clipper-orion-bsd* )
 511     machine=orion105 opsys=bsd4-2
 512   ;;
 513
 514   ## IBM machines
 515   i[3456]86-ibm-aix1.1* )
 516     machine=ibmps2-aix opsys=usg5-2-2
 517   ;;
 518   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 519     machine=ibmps2-aix opsys=usg5-3
 520   ;;
 521   i370-ibm-aix*)
 522     machine=ibm370aix opsys=usg5-3
 523   ;;
 524   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 525     machine=ibmrs6000 opsys=aix3-1
 526   ;;
 527   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 528     machine=ibmrs6000 opsys=aix3-2-5
 529   ;;
 530   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 531     machine=ibmrs6000 opsys=aix4-1
 532   ;;
 533   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 534     machine=ibmrs6000 opsys=aix4-2
 535   ;;
 536   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 537     machine=ibmrs6000 opsys=aix4
 538   ;;
 539   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 540     machine=ibmrs6000 opsys=aix4-1
 541   ;;
 542   rs6000-ibm-aix* | powerpc-ibm-aix* )
 543     machine=ibmrs6000 opsys=aix3-2
 544   ;;
 545   romp-ibm-bsd4.3* )
 546     machine=ibmrt opsys=bsd4-3
 547   ;;
 548   romp-ibm-bsd4.2* )
 549     machine=ibmrt opsys=bsd4-2
 550   ;;
 551   romp-ibm-aos4.3* )
 552     machine=ibmrt opsys=bsd4-3
 553   ;;
 554   romp-ibm-aos4.2* )
 555     machine=ibmrt opsys=bsd4-2
 556   ;;
 557   romp-ibm-aos* )
 558     machine=ibmrt opsys=bsd4-3
 559   ;;
 560   romp-ibm-bsd* )
 561     machine=ibmrt opsys=bsd4-3
 562   ;;
 563   romp-ibm-aix* )
 564     machine=ibmrt-aix opsys=usg5-2-2
 565   ;;
 566
 567   ## Integrated Solutions `Optimum V'
 568   m68*-isi-bsd4.2* )
 569     machine=isi-ov opsys=bsd4-2
 570   ;;
 571   m68*-isi-bsd4.3* )
 572     machine=isi-ov opsys=bsd4-3
 573   ;;
 574
 575   ## Intel 386 machines where we do care about the manufacturer
 576   i[3456]86-intsys-sysv* )
 577     machine=is386 opsys=usg5-2-2
 578   ;;
 579
 580   ## Prime EXL
 581   i[3456]86-prime-sysv* )
 582     machine=i386 opsys=usg5-3
 583   ;;
 584
 585   ## Sequent Symmetry running Dynix
 586   i[3456]86-sequent-bsd* )
 587     machine=symmetry opsys=bsd4-3
 588   ;;
 589
 590   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 591   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 592     machine=sequent-ptx opsys=ptx4
 593     NON_GNU_CPP=/lib/cpp
 594   ;;
 595
 596   ## Sequent Symmetry running DYNIX/ptx
 597   ## Use the old cpp rather than the newer ANSI one.
 598   i[3456]86-sequent-ptx* )
 599     machine=sequent-ptx opsys=ptx
 600     NON_GNU_CPP="/lib/cpp"
 601   ;;
 602
 603   ## ncr machine running svr4.3.
 604   i[3456]86-ncr-sysv4.3 )
 605     machine=ncr386 opsys=usg5-4-3
 606   ;;
 607
 608   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 609   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 610   i[3456]86-ncr-sysv* )
 611     machine=ncr386 opsys=usg5-4-2
 612   ;;
 613
 614   ## Intel Paragon OSF/1
 615   i860-intel-osf1* )
 616     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 617   ;;
 618
 619   ## Intel 860
 620   i860-*-sysv4* )
 621     machine=i860 opsys=usg5-4
 622     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 623     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 624   ;;
 625
 626   ## Masscomp machines
 627   m68*-masscomp-rtu* )
 628     machine=masscomp opsys=rtu
 629   ;;
 630
 631   ## Megatest machines
 632   m68*-megatest-bsd* )
 633     machine=mega68 opsys=bsd4-2
 634   ;;
 635
 636   ## Workstations sold by MIPS
 637   ## This is not necessarily all workstations using the MIPS processor -
 638   ## Irises are produced by SGI, and DECstations by DEC.
 639
 640   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 641   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 642   ## it gives for choosing between the alternatives seems to be "Use
 643   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 644   ## the BSD world."  I'll assume that these are instructions for
 645   ## handling two odd situations, and that every other situation
 646   ## should use mips.h and usg5-2-2, they being listed first.
 647   mips-mips-usg* )
 648     machine=mips4
 649     ## Fall through to the general code at the bottom to decide on the OS.
 650   ;;
 651   mips-mips-riscos4* )
 652     machine=mips4 opsys=bsd4-3
 653     NON_GNU_CC="cc -systype bsd43"
 654     NON_GNU_CPP="cc -systype bsd43 -E"
 655   ;;
 656   mips-mips-riscos5* )
 657     machine=mips4 opsys=riscos5
 658     NON_GNU_CC="cc -systype bsd43"
 659     NON_GNU_CPP="cc -systype bsd43 -E"
 660   ;;
 661   mips-mips-bsd* )
 662     machine=mips opsys=bsd4-3
 663   ;;
 664   mips-mips-* )
 665     machine=mips opsys=usg5-2-2
 666   ;;
 667
 668   ## NeXT
 669   m68*-next-* | m68k-*-nextstep* )
 670     machine=m68k opsys=nextstep
 671   ;;
 672
 673   ## The complete machine from National Semiconductor
 674   ns32k-ns-genix* )
 675     machine=ns32000 opsys=usg5-2
 676   ;;
 677
 678   ## NCR machines
 679   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 680     machine=tower32 opsys=usg5-2-2
 681   ;;
 682   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 683     machine=tower32v3 opsys=usg5-3
 684   ;;
 685
 686   ## NEC EWS4800
 687   mips-nec-sysv4*)
 688   machine=ews4800 opsys=ux4800
 689   ;;
 690
 691   ## Nixdorf Targon 31
 692   m68*-nixdorf-sysv* )
 693     machine=targon31 opsys=usg5-2-2
 694   ;;
 695
 696   ## Nu (TI or LMI)
 697   m68*-nu-sysv* )
 698     machine=nu opsys=usg5-2
 699   ;;
 700
 701   ## Plexus
 702   m68*-plexus-sysv* )
 703     machine=plexus opsys=usg5-2
 704   ;;
 705
 706   ## PowerPC reference platform
 707   powerpcle-*-solaris2* )
 708     machine=prep
 709     opsys=sol2-5
 710   ;;
 711
 712   ## Pyramid machines
 713   ## I don't really have any idea what sort of processor the Pyramid has,
 714   ## so I'm assuming it is its own architecture.
 715   pyramid-pyramid-bsd* )
 716     machine=pyramid opsys=bsd4-2
 717   ;;
 718
 719   ## Sequent Balance
 720   ns32k-sequent-bsd4.2* )
 721     machine=sequent opsys=bsd4-2
 722   ;;
 723   ns32k-sequent-bsd4.3* )
 724     machine=sequent opsys=bsd4-3
 725   ;;
 726
 727   ## Siemens Nixdorf
 728   mips-siemens-sysv* | mips-sni-sysv*)
 729     machine=mips-siemens opsys=usg5-4
 730     NON_GNU_CC=/usr/ccs/bin/cc
 731     NON_GNU_CPP=/usr/ccs/lib/cpp
 732   ;;
 733
 734   ## Silicon Graphics machines
 735   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 736   m68*-sgi-iris3.5* )
 737     machine=irist opsys=iris3-5
 738   ;;
 739   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 740     machine=irist opsys=iris3-6
 741   ;;
 742   ## Iris 4D
 743   mips-sgi-irix3* )
 744     machine=iris4d opsys=irix3-3
 745   ;;
 746   mips-sgi-irix4* )
 747     machine=iris4d opsys=irix4-0
 748   ;;
 749   mips-sgi-irix6.5 )
 750     machine=iris4d opsys=irix6-5
 751     NON_GNU_CPP=/lib/cpp
 752     NON_GCC_TEST_OPTIONS="-n32 -G0"
 753   ;;
 754   mips-sgi-irix6* )
 755     machine=iris4d opsys=irix6-0
 756     NON_GNU_CPP=/lib/cpp
 757     NON_GCC_TEST_OPTIONS=-32
 758   ;;
 759   mips-sgi-irix5.[01]* )
 760     machine=iris4d opsys=irix5-0
 761   ;;
 762   mips-sgi-irix5* | mips-sgi-irix* )
 763     machine=iris4d opsys=irix5-2
 764   ;;
 765
 766   ## SONY machines
 767   m68*-sony-bsd4.2* )
 768     machine=news opsys=bsd4-2
 769   ;;
 770   m68*-sony-bsd4.3* )
 771     machine=news opsys=bsd4-3
 772   ;;
 773   m68*-sony-newsos3* | m68*-sony-news3*)
 774     machine=news opsys=bsd4-3
 775   ;;
 776   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 777     machine=news-risc opsys=bsd4-3
 778   ;;
 779   mips-sony-newsos6* )
 780     machine=news-r6 opsys=newsos6
 781   ;;
 782   mips-sony-news* )
 783     machine=news-risc opsys=newsos5
 784   ;;
 785
 786   ## Stride
 787   m68*-stride-sysv* )
 788     machine=stride opsys=usg5-2
 789   ;;
 790
 791   ## Suns
 792   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 793     machine=sparc opsys=gnu-linux
 794   ;;
 795
 796   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 797     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 798     | rs6000-*-solaris2*)
 799     case "${canonical}" in
 800       m68*-sunos1* )    machine=sun1 ;;
 801       m68*-sunos2* )    machine=sun2 ;;
 802       m68* )            machine=sun3 ;;
 803       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 804       i[3456]86-*-* )     machine=intel386 ;;
 805       powerpcle* )      machine=powerpcle ;;
 806       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 807       sparc* )          machine=sparc ;;
 808       * )               unported=yes ;;
 809     esac
 810     case "${canonical}" in
 811       ## The Sun386 didn't get past 4.0.
 812       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 813       *-sunos4.0*         ) opsys=sunos4-0 ;;
 814       *-sunos4.1.[3-9]*noshare )
 815                 ## This name is sunos413 instead of sunos4-1-3
 816                 ## to avoid a file name conflict on MSDOS.
 817                 opsys=sunos413
 818                 NON_GNU_CPP=/usr/lib/cpp
 819                 NON_GCC_TEST_OPTIONS=-Bstatic
 820                 GCC_TEST_OPTIONS=-static
 821                 ;;
 822       *-sunos4.1.[3-9]* | *-sunos4shr*)
 823                 opsys=sunos4shr
 824                 NON_GNU_CPP=/usr/lib/cpp
 825                 ;;
 826       *-sunos4* | *-sunos )
 827                 opsys=sunos4-1
 828                 NON_GCC_TEST_OPTIONS=-Bstatic
 829                 GCC_TEST_OPTIONS=-static
 830                 ;;
 831       *-sunos5.3* | *-solaris2.3* )
 832                 opsys=sol2-3
 833                 NON_GNU_CPP=/usr/ccs/lib/cpp
 834                 ;;
 835       *-sunos5.4* | *-solaris2.4* )
 836                 opsys=sol2-4
 837                 NON_GNU_CPP=/usr/ccs/lib/cpp
 838                 RANLIB="ar -ts"
 839                 ;;
 840       *-sunos5.5* | *-solaris2.5* )
 841                 opsys=sol2-5
 842                 NON_GNU_CPP=/usr/ccs/lib/cpp
 843                 RANLIB="ar -ts"
 844                 ;;
 845       *-sunos5* | *-solaris* )
 846                 opsys=sol2-5
 847                 NON_GNU_CPP=/usr/ccs/lib/cpp
 848                 ;;
 849       *                   ) opsys=bsd4-2   ;;
 850     esac
 851     ## Watch out for a compiler that we know will not work.
 852     case "${canonical}" in
 853      *-solaris* | *-sunos5* )
 854                 if [ "x$CC" = x/usr/ucb/cc ]; then
 855                   ## /usr/ucb/cc doesn't work;
 856                   ## we should find some other compiler that does work.
 857                   unset CC
 858                 fi
 859                 ;;
 860       *) ;;
 861     esac
 862   ;;
 863   sparc-*-nextstep* )
 864     machine=sparc opsys=nextstep
 865   ;;
 866
 867   ## Tadpole 68k
 868   m68*-tadpole-sysv* )
 869     machine=tad68k opsys=usg5-3
 870   ;;
 871
 872   ## Tahoe machines
 873   tahoe-tahoe-bsd4.2* )
 874     machine=tahoe opsys=bsd4-2
 875   ;;
 876   tahoe-tahoe-bsd4.3* )
 877     machine=tahoe opsys=bsd4-3
 878   ;;
 879
 880   ## Tandem Integrity S2
 881   mips-tandem-sysv* )
 882     machine=tandem-s2 opsys=usg5-3
 883   ;;
 884
 885   ## Tektronix XD88
 886   m88k-tektronix-sysv3* )
 887   machine=tekxd88 opsys=usg5-3
 888   ;;
 889
 890   ## Tektronix 16000 box (6130?)
 891   ns16k-tektronix-bsd* )
 892     machine=ns16000 opsys=bsd4-2
 893   ;;
 894   ## Tektronix 4300
 895   ## src/m/tek4300.h hints that this is a m68k machine.
 896   m68*-tektronix-bsd* )
 897     machine=tek4300 opsys=bsd4-3
 898   ;;
 899
 900   ## Titan P2 or P3
 901   ## We seem to have lost the machine-description file titan.h!
 902   titan-titan-sysv* )
 903     machine=titan opsys=usg5-3
 904   ;;
 905
 906   ## Ustation E30 (SS5E)
 907   m68*-unisys-uniplus* )
 908     machine=ustation opsystem=unipl5-2
 909   ;;
 910
 911   ## Vaxen.
 912   vax-dec-* )
 913     machine=vax
 914     case "${canonical}" in
 915       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 916       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 917       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 918       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 919       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 920       *-vms* )                                          opsys=vms ;;
 921       * )                                               unported=yes
 922     esac
 923   ;;
 924
 925   ## Whitechapel MG1
 926   ns16k-whitechapel-* )
 927     machine=mg1
 928     ## We don't know what sort of OS runs on these; we'll let the
 929     ## operating system guessing code below try.
 930   ;;
 931
 932   ## Wicat
 933   m68*-wicat-sysv* )
 934     machine=wicat opsys=usg5-2
 935   ;;
 936
 937   ## Intel 386 machines where we don't care about the manufacturer
 938   i[3456]86-*-* )
 939     machine=intel386
 940     case "${canonical}" in
 941       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 942       *-isc2.2* )               opsys=isc2-2 ;;
 943       *-isc4.0* )               opsys=isc4-0 ;;
 944       *-isc4.* )                opsys=isc4-1
 945                                 GCC_TEST_OPTIONS=-posix
 946                                 NON_GCC_TEST_OPTIONS=-Xp
 947                                 ;;
 948       *-isc* )                  opsys=isc3-0 ;;
 949       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 950       *-esix* )                 opsys=esix ;;
 951       *-xenix* )                opsys=xenix ;;
 952       *-linux-gnu* )            opsys=gnu-linux ;;
 953       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 954       *-sco3.2v5* )             opsys=sco5
 955                                 NON_GNU_CPP=/lib/cpp
 956                                 # Prevent -belf from being passed to $CPP.
 957                                 # /lib/cpp does not accept it.
 958                                 OVERRIDE_CPPFLAGS=" "
 959                                 ;;
 960       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 961       *-386bsd* )               opsys=386bsd ;;
 962       *-freebsd* )              opsys=freebsd ;;
 963       *-nextstep* )             opsys=nextstep ;;
 964       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 965     esac
 966   ;;
 967
 968   ## m68k Linux-based GNU system
 969   m68k-*-linux-gnu* )
 970     machine=m68k opsys=gnu-linux
 971   ;;
 972
 973   ## Mips Linux-based GNU system
 974   mips-*-linux-gnu* )
 975     machine=mips opsys=gnu-linux
 976   ;;
 977
 978   ## UXP/DS
 979   sparc-fujitsu-sysv4* )
 980     machine=sparc opsys=uxpds
 981     NON_GNU_CPP=/usr/ccs/lib/cpp
 982     RANLIB="ar -ts"
 983   ;;
 984
 985   ## UXP/V
 986   f301-fujitsu-uxpv4.1)
 987     machine=f301 opsys=uxpv
 988   ;;
 989
 990   * )
 991     unported=yes
 992   ;;
 993 esac
 994
 995 ### If the code above didn't choose an operating system, just choose
 996 ### an operating system based on the configuration name.  You really
 997 ### only want to use this when you have no idea what the right
 998 ### operating system is; if you know what operating systems a machine
 999 ### runs, it's cleaner to make it explicit in the case statement
1000 ### above.
1001 if test x"${opsys}" = x; then
1002   case "${canonical}" in
1003     *-gnu* )                            opsys=gnu ;;
1004     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1005     *-bsd4.2 )                          opsys=bsd4-2 ;;
1006     *-bsd4.3 )                          opsys=bsd4-3 ;;
1007     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1008     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1009     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1010     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1011     *-sysv4.2uw* )                      opsys=unixware ;;
1012     *-sysv4.1* | *-sysvr4.1* )
1013         NON_GNU_CPP=/usr/lib/cpp
1014         opsys=usg5-4 ;;
1015     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1016         if [ x$NON_GNU_CPP = x ]; then
1017           if [ -f /usr/ccs/lib/cpp ]; then
1018             NON_GNU_CPP=/usr/ccs/lib/cpp
1019           else
1020             NON_GNU_CPP=/lib/cpp
1021           fi
1022         fi
1023         opsys=usg5-4-2 ;;
1024     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1025     * )
1026       unported=yes
1027     ;;
1028   esac
1029 fi
1030
1031 if test "x$RANLIB" = x; then
1032   RANLIB=ranlib
1033 fi
1034
1035 changequote([, ])dnl
1036
1037 if test $unported = yes; then
1038   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1039 Check \`etc/MACHINES' for recognized configuration names.])
1040 fi
1041
1042 machfile="m/${machine}.h"
1043 opsysfile="s/${opsys}.h"
1044
1045
1046 #### Choose a compiler.
1047 test -n "$CC" && cc_specified=yes
1048
1049 # Save the value of CFLAGS that the user specified.
1050 SPECIFIED_CFLAGS="$CFLAGS"
1051
1052 case ${with_gcc} in
1053   "yes" ) CC="gcc" GCC=yes ;;
1054   "no"  ) : ${CC=cc} ;;
1055   * ) AC_PROG_CC
1056 esac
1057
1058 # On Suns, sometimes $CPP names a directory.
1059 if test -n "$CPP" && test -d "$CPP"; then
1060   CPP=
1061 fi
1062
1063 #### Some systems specify a CPP to use unless we are using GCC.
1064 #### Now that we know whether we are using GCC, we can decide whether
1065 #### to use that one.
1066 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1067 then
1068   CPP="$NON_GNU_CPP"
1069 fi
1070
1071 #### Some systems specify a CC to use unless we are using GCC.
1072 #### Now that we know whether we are using GCC, we can decide whether
1073 #### to use that one.
1074 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1075   test x$cc_specified != xyes
1076 then
1077   CC="$NON_GNU_CC"
1078 fi
1079
1080 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1081 then
1082   CC="$CC $GCC_TEST_OPTIONS"
1083 fi
1084
1085 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1086 then
1087   CC="$CC $NON_GCC_TEST_OPTIONS"
1088 fi
1089
1090 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1091 then
1092   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1093 fi
1094
1095 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1096 then
1097   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1098 fi
1099
1100 #### Some other nice autoconf tests.  If you add a test here which
1101 #### should make an entry in src/config.h, don't forget to add an
1102 #### #undef clause to src/config.h.in for autoconf to modify.
1103
1104 dnl checks for programs
1105 AC_PROG_LN_S
1106 AC_PROG_CPP
1107 AC_PROG_INSTALL
1108 AC_PROG_YACC
1109
1110 dnl checks for Unix variants
1111 AC_AIX
1112
1113 # Sound support for GNU/Linux and the free BSDs.
1114 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h)
1115
1116 dnl checks for header files
1117 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1118   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1119   termcap.h stdio_ext.h)
1120 AC_HEADER_STDC
1121 AC_HEADER_TIME
1122 AC_DECL_SYS_SIGLIST
1123
1124 dnl Some systems have utime.h but don't declare the struct anyplace.
1125 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1126 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1127 #include <sys/time.h>
1128 #include <time.h>
1129 #else
1130 #ifdef HAVE_SYS_TIME_H
1131 #include <sys/time.h>
1132 #else
1133 #include <time.h>
1134 #endif
1135 #endif
1136 #ifdef HAVE_UTIME_H
1137 #include <utime.h>
1138 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1139   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1140 if test $emacs_cv_struct_utimbuf = yes; then
1141   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1142 fi
1143
1144 dnl checks for typedefs
1145 AC_TYPE_SIGNAL
1146
1147 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1148 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1149 #include <sys/time.h>
1150 #include <time.h>
1151 #else
1152 #ifdef HAVE_SYS_TIME_H
1153 #include <sys/time.h>
1154 #else
1155 #include <time.h>
1156 #endif
1157 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1158   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1159 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1160 if test $emacs_cv_struct_timeval = yes; then
1161   AC_DEFINE(HAVE_TIMEVAL)
1162 fi
1163
1164 dnl checks for structure members
1165 AC_STRUCT_TM
1166 AC_STRUCT_TIMEZONE
1167 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1168 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1169   emacs_cv_tm_gmtoff=yes,
1170   emacs_cv_tm_gmtoff=no))
1171 if test $emacs_cv_tm_gmtoff = yes; then
1172   AC_DEFINE(HAVE_TM_GMTOFF)
1173 fi
1174
1175 dnl checks for compiler characteristics
1176 AC_C_CONST
1177
1178 dnl check for Make feature
1179 AC_PROG_MAKE_SET
1180
1181 dnl checks for operating system services
1182 AC_SYS_LONG_FILE_NAMES
1183
1184 #### Choose a window system.
1185
1186 AC_PATH_X
1187 if test "$no_x" = yes; then
1188   window_system=none
1189 else
1190   window_system=x11
1191 fi
1192
1193 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1194   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1195   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1196   x_default_search_path=""
1197   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1198     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1199 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1200 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1201 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1202     if test x"${x_default_search_path}" = x; then
1203       x_default_search_path=${x_search_path}
1204     else
1205       x_default_search_path="${x_search_path}:${x_default_search_path}"
1206     fi
1207   done
1208 fi
1209 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1210   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1211 fi
1212
1213 if test x"${x_includes}" = x; then
1214   bitmapdir=/usr/include/X11/bitmaps
1215 else
1216   # accumulate include directories that have X11 bitmap subdirectories
1217   bmd_acc="dummyval"
1218   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1219     if test -d "${bmd}/X11/bitmaps"; then
1220       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1221     elif test -d "${bmd}/bitmaps"; then
1222       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1223     fi
1224   done
1225   if test ${bmd_acc} != "dummyval"; then
1226     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1227   fi
1228 fi
1229
1230 case "${window_system}" in
1231   x11 )
1232     HAVE_X_WINDOWS=yes
1233     HAVE_X11=yes
1234     case "${with_x_toolkit}" in
1235       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1236       motif ) USE_X_TOOLKIT=MOTIF ;;
1237 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1238       no ) USE_X_TOOLKIT=none ;;
1239 dnl If user did not say whether to use a toolkit,
1240 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1241       * ) USE_X_TOOLKIT=maybe ;;
1242     esac
1243   ;;
1244   none )
1245     HAVE_X_WINDOWS=no
1246     HAVE_X11=no
1247     USE_X_TOOLKIT=none
1248   ;;
1249 esac
1250
1251 ### If we're using X11, we should use the X menu package.
1252 HAVE_MENUS=no
1253 case ${HAVE_X11} in
1254   yes ) HAVE_MENUS=yes ;;
1255 esac
1256
1257 if test "${opsys}" = "hpux9"; then
1258   case "${x_libraries}" in
1259     *X11R4* )
1260       opsysfile="s/hpux9-x11r4.h"
1261       ;;
1262   esac
1263 fi
1264
1265 if test "${opsys}" = "hpux9shr"; then
1266   case "${x_libraries}" in
1267     *X11R4* )
1268       opsysfile="s/hpux9shxr4.h"
1269       ;;
1270   esac
1271 fi
1272
1273 #### Extract some information from the operating system and machine files.
1274
1275 AC_CHECKING([the machine- and system-dependent files to find out
1276  - which libraries the lib-src programs will want, and
1277  - whether the GNU malloc routines are usable])
1278
1279 ### First figure out CFLAGS (which we use for running the compiler here)
1280 ### and REAL_CFLAGS (which we use for real compilation).
1281 ### The two are the same except on a few systems, where they are made
1282 ### different to work around various lossages.  For example,
1283 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1284 ### as implying static linking.
1285
1286 ### If the CFLAGS env var is specified, we use that value
1287 ### instead of the default.
1288
1289 ### It's not important that this name contain the PID; you can't run
1290 ### two configures in the same directory and have anything work
1291 ### anyway.
1292 tempcname="conftest.c"
1293
1294 echo '
1295 #include "'${srcdir}'/src/'${opsysfile}'"
1296 #include "'${srcdir}'/src/'${machfile}'"
1297 #ifndef LIBS_MACHINE
1298 #define LIBS_MACHINE
1299 #endif
1300 #ifndef LIBS_SYSTEM
1301 #define LIBS_SYSTEM
1302 #endif
1303 #ifndef C_SWITCH_SYSTEM
1304 #define C_SWITCH_SYSTEM
1305 #endif
1306 #ifndef C_SWITCH_MACHINE
1307 #define C_SWITCH_MACHINE
1308 #endif
1309 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1310 configure___ c_switch_system=C_SWITCH_SYSTEM
1311 configure___ c_switch_machine=C_SWITCH_MACHINE
1312
1313 #ifndef LIB_X11_LIB
1314 #define LIB_X11_LIB -lX11
1315 #endif
1316
1317 #ifndef LIBX11_MACHINE
1318 #define LIBX11_MACHINE
1319 #endif
1320
1321 #ifndef LIBX11_SYSTEM
1322 #define LIBX11_SYSTEM
1323 #endif
1324 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1325
1326 #ifdef UNEXEC
1327 configure___ unexec=UNEXEC
1328 #else
1329 configure___ unexec=unexec.o
1330 #endif
1331
1332 #ifdef SYSTEM_MALLOC
1333 configure___ system_malloc=yes
1334 #else
1335 configure___ system_malloc=no
1336 #endif
1337
1338 #ifndef C_DEBUG_SWITCH
1339 #define C_DEBUG_SWITCH -g
1340 #endif
1341
1342 #ifndef C_OPTIMIZE_SWITCH
1343 #define C_OPTIMIZE_SWITCH -O
1344 #endif
1345
1346 #ifndef LD_SWITCH_MACHINE
1347 #define LD_SWITCH_MACHINE
1348 #endif
1349
1350 #ifndef LD_SWITCH_SYSTEM
1351 #define LD_SWITCH_SYSTEM
1352 #endif
1353
1354 #ifndef LD_SWITCH_X_SITE_AUX
1355 #define LD_SWITCH_X_SITE_AUX
1356 #endif
1357
1358 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1359 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1360
1361 #ifdef THIS_IS_CONFIGURE
1362
1363 /* Get the CFLAGS for tests in configure.  */
1364 #ifdef __GNUC__
1365 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1366 #else
1367 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1368 #endif
1369
1370 #else /* not THIS_IS_CONFIGURE */
1371
1372 /* Get the CFLAGS for real compilation.  */
1373 #ifdef __GNUC__
1374 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1375 #else
1376 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1377 #endif
1378
1379 #endif /* not THIS_IS_CONFIGURE */
1380 ' > ${tempcname}
1381
1382 # The value of CPP is a quoted variable reference, so we need to do this
1383 # to get its actual value...
1384 CPP=`eval "echo $CPP"`
1385 changequote(, )dnl
1386 eval `${CPP} -Isrc ${tempcname} \
1387        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1388 if test "x$SPECIFIED_CFLAGS" = x; then
1389   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1390          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1391 else
1392   REAL_CFLAGS="$CFLAGS"
1393 fi
1394 changequote([, ])dnl
1395 rm ${tempcname}
1396
1397 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1398
1399 ### Compute the unexec source name from the object name.
1400 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1401
1402 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1403 # Assume not, until told otherwise.
1404 GNU_MALLOC=yes
1405 doug_lea_malloc=yes
1406 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1407 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1408 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1409                emacs_cv_var___after_morecore_hook,
1410 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1411   emacs_cv_var___after_morecore_hook=yes,
1412   emacs_cv_var___after_morecore_hook=no))
1413 if test $emacs_cv_var___after_morecore_hook = no; then
1414   doug_lea_malloc=no
1415 fi
1416 if test "${system_malloc}" = "yes"; then
1417   GNU_MALLOC=no
1418   GNU_MALLOC_reason="
1419     (The GNU allocators don't work with this system configuration.)"
1420 fi
1421 if test "$doug_lea_malloc" = "yes" ; then
1422   if test "$GNU_MALLOC" = yes ; then
1423     GNU_MALLOC_reason="
1424       (Using Doug Lea's new malloc from the GNU C Library.)"
1425   fi
1426   AC_DEFINE(DOUG_LEA_MALLOC)
1427 fi
1428
1429 if test x"${REL_ALLOC}" = x; then
1430   REL_ALLOC=${GNU_MALLOC}
1431 fi
1432
1433 LISP_FLOAT_TYPE=yes
1434
1435
1436 #### Add the libraries to LIBS and check for some functions.
1437
1438 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1439   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1440 else
1441   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1442 fi
1443
1444 LIBS="$libsrc_libs $LIBS"
1445
1446 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1447 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1448 AC_CHECK_LIB(dnet, dnet_ntoa)
1449 dnl This causes -lresolv to get used in subsequent tests,
1450 dnl which causes failures on some systems such as HPUX 9.
1451 dnl AC_CHECK_LIB(resolv, gethostbyname)
1452
1453 dnl FIXME replace main with a function we actually want from this library.
1454 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1455
1456 AC_CHECK_LIB(pthreads, cma_open)
1457
1458 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1459 if test -d /usr/X386/include; then
1460   HAVE_XFREE386=yes
1461   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1462 else
1463   HAVE_XFREE386=no
1464 fi
1465 AC_MSG_RESULT($HAVE_XFREE386)
1466
1467 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1468 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1469
1470 if test "${HAVE_X11}" = "yes"; then
1471   DEFS="$C_SWITCH_X_SITE $DEFS"
1472   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1473   LIBS="$LIBX $LIBS"
1474   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1475
1476   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1477   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1478   # but it's more convenient here to set LD_RUN_PATH
1479   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1480   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1481     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1482     export LD_RUN_PATH
1483   fi
1484
1485   if test "${opsys}" = "gnu-linux"; then
1486     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1487     AC_TRY_LINK([],
1488      [XOpenDisplay ("foo");],
1489      [xlinux_first_failure=no],
1490      [xlinux_first_failure=yes])
1491     if test "${xlinux_first_failure}" = "yes"; then
1492       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1493       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1494       OLD_CPPFLAGS="$CPPFLAGS"
1495       OLD_LIBS="$LIBS"
1496       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1497       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1498       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1499       LIBS="$LIBS -b i486-linuxaout"
1500       AC_TRY_LINK([],
1501        [XOpenDisplay ("foo");],
1502        [xlinux_second_failure=no],
1503        [xlinux_second_failure=yes])
1504       if test "${xlinux_second_failure}" = "yes"; then
1505         # If we get the same failure with -b, there is no use adding -b.
1506         # So take it out.  This plays safe.
1507         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1508         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1509         CPPFLAGS="$OLD_CPPFLAGS"
1510         LIBS="$OLD_LIBS"
1511         AC_MSG_RESULT(no)
1512       else
1513         AC_MSG_RESULT(yes)
1514       fi
1515     else
1516       AC_MSG_RESULT(no)
1517     fi
1518   fi
1519
1520   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1521 XScreenNumberOfScreen XSetWMProtocols)
1522 fi
1523
1524 if test "${window_system}" = "x11"; then
1525   AC_MSG_CHECKING(X11 version 6)
1526   AC_CACHE_VAL(emacs_cv_x11_version_6,
1527   AC_TRY_LINK([#include <X11/Xlib.h>],
1528 [#if XlibSpecificationRelease < 6
1529 fail;
1530 #endif
1531 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1532   if test $emacs_cv_x11_version_6 = yes; then
1533     AC_MSG_RESULT(6 or newer)
1534     AC_DEFINE(HAVE_X11R6)
1535   else
1536     AC_MSG_RESULT(before 6)
1537   fi
1538 fi
1539
1540 if test "${window_system}" = "x11"; then
1541   AC_MSG_CHECKING(X11 version 5)
1542   AC_CACHE_VAL(emacs_cv_x11_version_5,
1543   AC_TRY_LINK([#include <X11/Xlib.h>],
1544 [#if XlibSpecificationRelease < 5
1545 fail;
1546 #endif
1547 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1548   if test $emacs_cv_x11_version_5 = yes; then
1549     AC_MSG_RESULT(5 or newer)
1550     HAVE_X11R5=yes
1551     AC_DEFINE(HAVE_X11R5)
1552   else
1553     HAVE_X11R5=no
1554     AC_MSG_RESULT(before 5)
1555   fi
1556 fi
1557
1558 dnl Do not put whitespace before the #include statements below.
1559 dnl Older compilers (eg sunos4 cc) choke on it.
1560 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1561   if test x"${HAVE_X11R5}" = xyes; then
1562     AC_MSG_CHECKING(X11 version 5 with Xaw)
1563     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1564     AC_TRY_LINK([
1565 #include <X11/Intrinsic.h>
1566 #include <X11/Xaw/Simple.h>],
1567       [],
1568       emacs_cv_x11_version_5_with_xaw=yes,
1569       emacs_cv_x11_version_5_with_xaw=no))
1570     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1571       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1572       USE_X_TOOLKIT=LUCID
1573     else
1574       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1575       USE_X_TOOLKIT=none
1576     fi
1577   else
1578     USE_X_TOOLKIT=none
1579   fi
1580 fi
1581
1582 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1583
1584 if test "${USE_X_TOOLKIT}" != "none"; then
1585   AC_MSG_CHECKING(X11 toolkit version)
1586   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1587   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1588 [#if XtSpecificationRelease < 6
1589 fail;
1590 #endif
1591 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1592   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1593   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1594     AC_MSG_RESULT(6 or newer)
1595     AC_DEFINE(HAVE_X11XTR6)
1596   else
1597     AC_MSG_RESULT(before 6)
1598   fi
1599
1600 dnl If using toolkit, check whether libXmu.a exists.
1601 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1602   OLDLIBS="$LIBS"
1603   if test x$HAVE_X11XTR6 = xyes; then
1604     LIBS="-lXt -lSM -lICE $LIBS"
1605   else
1606     LIBS="-lXt $LIBS"
1607   fi
1608   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1609   LIBS="$OLDLIBS"
1610 fi
1611
1612 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1613   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1614   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1615     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1616 int x = 5;
1617 #else
1618 Motif version prior to 2.1.
1619 #endif],
1620     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1621   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1622   if test $emacs_cv_motif_version_2_1 = yes; then
1623     AC_DEFINE(HAVE_MOTIF_2_1)
1624     AC_CHECK_LIB(Xp, XpCreateContext)
1625   fi
1626 fi
1627
1628 ### Is -lXaw3d available?
1629 HAVE_XAW3D=no
1630 if test "${HAVE_X11}" = "yes"; then
1631   if test "${USE_X_TOOLKIT}" != "none"; then
1632     old_c_flags="${CFLAGS}"
1633     CFLAGS="${LD_SWITCH_X_SITE}"
1634     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1635         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1636     CFLAGS="${old_c_flags}"
1637
1638     if test "${HAVE_XAW3D}" = "yes"; then
1639         AC_DEFINE(HAVE_XAW3D)
1640     fi
1641   fi
1642 fi
1643
1644 dnl Use toolkit scroll bars if configured for X toolkit and either
1645 dnl using Motif or Xaw3d is available, and unless
1646 dnl --with-toolkit-scroll-bars=no was specified.
1647
1648 USE_TOOLKIT_SCROLL_BARS=no
1649 if test "${with_toolkit_scroll_bars}" != "no"; then
1650   if test "${USE_X_TOOLKIT}" != "none"; then
1651     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1652       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1653       HAVE_XAW3D=no
1654       USE_TOOLKIT_SCROLL_BARS=yes
1655     elif test "${HAVE_XAW3D}" = "yes"; then
1656       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1657       USE_TOOLKIT_SCROLL_BARS=yes
1658     fi
1659   fi
1660 fi
1661
1662 ### Use -lXpm if available, unless `--with-xpm=no'.
1663 HAVE_XPM=no
1664 if test "${HAVE_X11}" = "yes"; then
1665   if test "${with_xpm}" != "no"; then
1666     old_c_flags="${CFLAGS}"
1667     CFLAGS="${LD_SWITCH_X_SITE}"
1668     AC_CHECK_HEADER(X11/xpm.h,
1669       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1670     CFLAGS="${old_c_flags}"
1671   fi
1672
1673   if test "${HAVE_XPM}" = "yes"; then
1674     AC_DEFINE(HAVE_XPM)
1675   fi
1676 fi
1677
1678 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1679 HAVE_JPEG=no
1680 if test "${HAVE_X11}" = "yes"; then
1681   if test "${with_jpeg}" != "no"; then
1682     old_c_flags="${CFLAGS}"
1683     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1684     AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11)
1685     CFLAGS="${old_c_flags}"
1686   fi
1687
1688   if test "${HAVE_JPEG}" = "yes"; then
1689     AC_DEFINE(HAVE_JPEG)
1690   fi
1691 fi
1692
1693 ### Use -lpng if available, unless `--with-png=no'.
1694 HAVE_PNG=no
1695 if test "${HAVE_X11}" = "yes"; then
1696   if test "${with_png}" != "no"; then
1697     old_c_flags="${CFLAGS}"
1698     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1699     AC_CHECK_HEADER(png.h,
1700       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1701     CFLAGS="${old_c_flags}"
1702   fi
1703
1704   if test "${HAVE_PNG}" = "yes"; then
1705     AC_DEFINE(HAVE_PNG)
1706   fi
1707 fi
1708
1709 ### Use -ltiff if available, unless `--with-tiff=no'.
1710 HAVE_TIFF=no
1711 if test "${HAVE_X11}" = "yes"; then
1712   if test "${with_tiff}" != "no"; then
1713     old_c_flags="${CFLAGS}"
1714     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1715     AC_CHECK_HEADER(tiffio.h,
1716       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , -lX11 -lm))
1717     CFLAGS="${old_c_flags}"
1718   fi
1719
1720   if test "${HAVE_TIFF}" = "yes"; then
1721     AC_DEFINE(HAVE_TIFF)
1722   fi
1723 fi
1724
1725 ### Use -lgif if available, unless `--with-gif=no'.
1726 HAVE_GIF=no
1727 if test "${HAVE_X11}" = "yes"; then
1728   if test "${with_gif}" != "no"; then
1729     old_c_flags="${CFLAGS}"
1730     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1731     AC_CHECK_HEADER(gif_lib.h,
1732       AC_CHECK_LIB(ungif, DGifOpenFileName, HAVE_GIF=yes, , -lX11))
1733     CFLAGS="${old_c_flags}"
1734   fi
1735
1736   if test "${HAVE_GIF}" = "yes"; then
1737     AC_DEFINE(HAVE_GIF)
1738   fi
1739 fi
1740
1741 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1742 AC_CACHE_CHECK(whether netdb declares h_errno,
1743                emacs_cv_netdb_declares_h_errno,
1744 AC_TRY_LINK([#include <netdb.h>],
1745   [return h_errno;],
1746   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1747 if test $emacs_cv_netdb_declares_h_errno = yes; then
1748   AC_DEFINE(HAVE_H_ERRNO)
1749 fi
1750
1751 AC_FUNC_ALLOCA
1752
1753 # fmod, logb, and frexp are found in -lm on most systems.
1754 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1755 AC_CHECK_LIB(m, sqrt)
1756
1757 # Check for mail-locking functions in a "mail" library
1758 AC_CHECK_LIB(mail, maillock)
1759 dnl Debian, at least:
1760 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1761 AC_CHECK_LIB(lockfile, maillock)
1762 # If we have the shared liblockfile, assume we must use it for mail
1763 # locking (e.g. Debian).  If we couldn't link against liblockfile
1764 # (no liblockfile.a installed), ensure that we don't need to.
1765 if test "$ac_cv_lib_lockfile_maillock" = no; then
1766   dnl This works for files generally, not just executables.
1767   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1768   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1769                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1770   if test $ac_cv_prog_liblockfile = yes; then
1771     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1772 This probably means that movemail could lose mail.
1773 There may be a \`development' package to install containing liblockfile.])
1774   else AC_DEFINE(LIBMAIL, -llockfile)
1775   fi
1776   else :
1777 fi
1778 AC_CHECK_FUNCS(touchlock)
1779 AC_CHECK_HEADERS(maillock.h)
1780
1781 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1782 rename closedir mkdir rmdir sysinfo \
1783 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1784 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1785 utimes setrlimit setpgid getcwd shutdown strftime getaddrinfo \
1786 __fpending ftello getloadavg mblen mbrlen strsignal)
1787
1788 # Check this now, so that we will NOT find the above functions in ncurses.
1789 # That is because we have not set up to link ncurses in lib-src.
1790 # It's better to believe a function is not available
1791 # than to expect to find it in ncurses.
1792 AC_CHECK_LIB(ncurses, tparm)
1793
1794 # Solaris requires -lintl if you want strerror (which calls dgettext)
1795 # to return localized messages.
1796 AC_CHECK_LIB(intl, dgettext)
1797
1798 AC_MSG_CHECKING(whether localtime caches TZ)
1799 AC_CACHE_VAL(emacs_cv_localtime_cache,
1800 [if test x$ac_cv_func_tzset = xyes; then
1801 AC_TRY_RUN([#include <time.h>
1802 extern char **environ;
1803 unset_TZ ()
1804 {
1805   char **from, **to;
1806   for (to = from = environ; (*to = *from); from++)
1807     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1808       to++;
1809 }
1810 char TZ_GMT0[] = "TZ=GMT0";
1811 char TZ_PST8[] = "TZ=PST8";
1812 main()
1813 {
1814   time_t now = time ((time_t *) 0);
1815   int hour_GMT0, hour_unset;
1816   if (putenv (TZ_GMT0) != 0)
1817     exit (1);
1818   hour_GMT0 = localtime (&now)->tm_hour;
1819   unset_TZ ();
1820   hour_unset = localtime (&now)->tm_hour;
1821   if (putenv (TZ_PST8) != 0)
1822     exit (1);
1823   if (localtime (&now)->tm_hour == hour_GMT0)
1824     exit (1);
1825   unset_TZ ();
1826   if (localtime (&now)->tm_hour != hour_unset)
1827     exit (1);
1828   exit (0);
1829 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1830 [# If we have tzset, assume the worst when cross-compiling.
1831 emacs_cv_localtime_cache=yes])
1832 else
1833         # If we lack tzset, report that localtime does not cache TZ,
1834         # since we can't invalidate the cache if we don't have tzset.
1835         emacs_cv_localtime_cache=no
1836 fi])dnl
1837 AC_MSG_RESULT($emacs_cv_localtime_cache)
1838 if test $emacs_cv_localtime_cache = yes; then
1839   AC_DEFINE(LOCALTIME_CACHE)
1840 fi
1841
1842 if test "x$HAVE_TIMEVAL" = xyes; then
1843 AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
1844                emacs_cv_gettimeofday_two_arguments,
1845 AC_TRY_LINK([
1846 #ifdef TIME_WITH_SYS_TIME
1847 #include <sys/time.h>
1848 #include <time.h>
1849 #else
1850 #ifdef HAVE_SYS_TIME_H
1851 #include <sys/time.h>
1852 #else
1853 #include <time.h>
1854 #endif
1855 #endif
1856   ],
1857   [
1858   struct timeval time;
1859   struct timezone dummy;
1860   gettimeofday (&time, &dummy);
1861 ],
1862   emacs_cv_gettimeofday_two_arguments=yes,
1863   emacs_cv_gettimeofday_two_arguments=no))
1864   if test $emacs_cv_gettimeofday_two_arguments = no; then
1865     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
1866   fi
1867 fi
1868
1869 ok_so_far=yes
1870 AC_CHECK_FUNC(socket, , ok_so_far=no)
1871 if test $ok_so_far = yes; then
1872   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1873 fi
1874 if test $ok_so_far = yes; then
1875   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1876 fi
1877 if test $ok_so_far = yes; then
1878   AC_DEFINE(HAVE_INET_SOCKETS)
1879 fi
1880
1881 if test -f /usr/lpp/X11/bin/smt.exp; then
1882   AC_DEFINE(HAVE_AIX_SMT_EXP)
1883 fi
1884
1885 AC_MSG_CHECKING(whether system supports dynamic ptys)
1886 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
1887   AC_MSG_RESULT(yes)
1888   AC_DEFINE(HAVE_DEV_PTMX)
1889 else
1890   AC_MSG_RESULT(no)
1891 fi
1892
1893 # Set up the CFLAGS for real compilation, so we can substitute it.
1894 CFLAGS="$REAL_CFLAGS"
1895
1896 changequote(, )dnl
1897 #### Find out which version of Emacs this is.
1898 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1899          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1900 changequote([, ])dnl
1901 if test x"${version}" = x; then
1902   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1903 fi
1904
1905 ### Specify what sort of things we'll be editing into Makefile and config.h.
1906 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1907 AC_SUBST(version)
1908 AC_SUBST(configuration)
1909 AC_SUBST(canonical)
1910 AC_SUBST(srcdir)
1911 AC_SUBST(prefix)
1912 AC_SUBST(exec_prefix)
1913 AC_SUBST(bindir)
1914 AC_SUBST(datadir)
1915 AC_SUBST(sharedstatedir)
1916 AC_SUBST(libexecdir)
1917 AC_SUBST(mandir)
1918 AC_SUBST(infodir)
1919 AC_SUBST(lispdir)
1920 AC_SUBST(locallisppath)
1921 AC_SUBST(lisppath)
1922 AC_SUBST(x_default_search_path)
1923 AC_SUBST(etcdir)
1924 AC_SUBST(archlibdir)
1925 AC_SUBST(docdir)
1926 AC_SUBST(bitmapdir)
1927 AC_SUBST(c_switch_system)
1928 AC_SUBST(c_switch_machine)
1929 AC_SUBST(LD_SWITCH_X_SITE)
1930 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1931 AC_SUBST(C_SWITCH_X_SITE)
1932 AC_SUBST(CFLAGS)
1933 AC_SUBST(X_TOOLKIT_TYPE)
1934 AC_SUBST(machfile)
1935 AC_SUBST(opsysfile)
1936 AC_SUBST(RANLIB)
1937
1938 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1939 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1940 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1941 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1942 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1943 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1944 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1945 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1946
1947 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1948   AC_DEFINE(HAVE_X_WINDOWS)
1949 fi
1950 if test "${USE_X_TOOLKIT}" != "none" ; then
1951   AC_DEFINE(USE_X_TOOLKIT)
1952 fi
1953 if test "${HAVE_X11}" = "yes" ; then
1954   AC_DEFINE(HAVE_X11)
1955 fi
1956 if test "${HAVE_XFREE386}" = "yes" ; then
1957   AC_DEFINE(HAVE_XFREE386)
1958 fi
1959 if test "${HAVE_MENUS}" = "yes" ; then
1960   AC_DEFINE(HAVE_MENUS)
1961 fi
1962 if test "${GNU_MALLOC}" = "yes" ; then
1963   AC_DEFINE(GNU_MALLOC)
1964 fi
1965 if test "${REL_ALLOC}" = "yes" ; then
1966   AC_DEFINE(REL_ALLOC)
1967 fi
1968 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1969   AC_DEFINE(LISP_FLOAT_TYPE)
1970 fi
1971
1972 #### Report on what we decided to do.
1973 echo "
1974 Configured for \`${canonical}'.
1975
1976   Where should the build process find the source code?    ${srcdir}
1977   What operating system and machine description files should Emacs use?
1978         \`${opsysfile}' and \`${machfile}'
1979   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1980   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1981   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1982   What window system should Emacs use?                    ${window_system}
1983   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1984
1985 if test -n "${x_includes}"; then
1986 echo "  Where do we find X Windows header files?                ${x_includes}"
1987 else
1988 echo "  Where do we find X Windows header files?                Standard dirs"
1989 fi
1990 if test -n "${x_libraries}"; then
1991 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1992 else
1993 echo "  Where do we find X Windows libraries?                   Standard dirs"
1994 fi
1995
1996 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
1997 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
1998 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
1999 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2000 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2001 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2002 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2003 echo
2004
2005 # Remove any trailing slashes in these variables.
2006 changequote(, )dnl
2007 test "${prefix}" != NONE &&
2008   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2009 test "${exec_prefix}" != NONE &&
2010   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2011 changequote([, ])dnl
2012
2013 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2014         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2015         leim/Makefile, [
2016
2017 ### Make the necessary directories, if they don't exist.
2018 for dir in etc lisp ; do
2019   test -d ${dir} || mkdir ${dir}
2020 done
2021
2022 # Build src/Makefile from ${srcdir}/src/Makefile.c
2023 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2024 # This must be done after src/config.h is built, since we rely on that file.
2025
2026 changequote(, )dnl The horror, the horror.
2027 # Now get this: Some word that is part of the ${srcdir} directory name
2028 # or the ${configuration} value might, just might, happen to be an
2029 # identifier like `sun4' or `i386' or something, and be predefined by
2030 # the C preprocessor to some helpful value like 1, or maybe the empty
2031 # string.  Needless to say consequent macro substitutions are less
2032 # than conducive to the makefile finding the correct directory.
2033 undefs="`echo $top_srcdir $configuration $canonical |
2034 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2035     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2036 `"
2037 changequote([, ])dnl
2038
2039 echo creating src/epaths.h
2040 make epaths-force
2041
2042 echo creating lib-src/Makefile
2043 ( cd lib-src
2044   rm -f junk.c junk1.c junk2.c
2045   sed -e '/start of cpp stuff/q' \
2046       < Makefile.c > junk1.c
2047   sed -e '1,/start of cpp stuff/d'\
2048       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2049       < Makefile.c > junk.c
2050   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2051       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2052   cat junk1.c junk2.c > Makefile.new
2053   rm -f junk.c junk1.c junk2.c
2054   chmod 444 Makefile.new
2055   mv -f Makefile.new Makefile
2056 )
2057
2058 echo creating src/Makefile
2059 ( cd src
2060   rm -f junk.c junk1.c junk2.c
2061   sed -e '/start of cpp stuff/q' \
2062       < Makefile.c > junk1.c
2063   sed -e '1,/start of cpp stuff/d'\
2064       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2065       < Makefile.c > junk.c
2066   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2067       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2068   cat junk1.c junk2.c > Makefile.new
2069   rm -f junk.c junk1.c junk2.c
2070   chmod 444 Makefile.new
2071   mv -f Makefile.new Makefile
2072 )
2073
2074 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2075   echo creating src/.gdbinit
2076   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2077 fi
2078
2079 # This is how we know whether to re-run configure in certain cases.
2080 touch src/config.stamp
2081
2082 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])